Introduction: Life is made of molecules! -- The Chemistry and Physics of Life -- The Families of Biological Molecules -- Introduction to Metabolism -- The Regulation of Metabolism; Energy Conservation in Metabolism: The Mechanisms of ATP Synthesis -- Catabolism of the Major Biomolecules -- Metabolic Responses to Hyperglycemia -- Regulation and Integration of Metabolism During Hypoglycemia -- Regulation and Integration of Metabolism During Physical Activity -- Control of Body Weight and the Modern Metabolic Diseases.